Table 2. 14C Data from Layers Peeled from Human Lenses
53 year old |
1953–2006 |
|
Water-soluble |
|
Water-insoluble |
Layer |
|
F14C
|
± |
∆14C
|
± |
|
F14C
|
± |
∆14C
|
± |
1 |
|
1.0830 |
0.0038 |
75.7 |
3.8 |
|
1.0982 |
0.0036 |
90.8 |
3.6 |
2 |
|
1.1363 |
0.0038 |
128.6 |
3.8 |
|
1.1825 |
0.0044 |
174.5 |
4.4 |
3 |
|
1.2791 |
0.0051 |
270.4 |
5.1 |
|
1.3658 |
0.0052 |
356.6 |
5.2 |
4 |
|
1.2585 |
0.0053 |
250.0 |
5.3 |
|
1.3063 |
0.0059 |
297.5 |
5.9 |
5 |
|
1.1463 |
0.0041 |
138.6 |
4.1 |
|
1.0815 |
0.0045 |
74.2 |
4.5 |
6 |
|
1.1689 |
0.0048 |
161.0 |
4.8 |
|
na. |
na. |
na. |
na |
7 |
|
1.0780 |
0.0039 |
70.7 |
3.9 |
|
1.0333 |
0.0046 |
26.3 |
4.6 |
80 year old |
1926–2007 |
|
Water-soluble |
|
Water-insoluble |
Layer |
|
F14C
|
± |
∆14C
|
± |
|
F14C
|
± |
∆14C
|
± |
1 |
|
1.1245 |
0.0039 |
116.8 |
3.9 |
|
1.1836 |
0.0042 |
175.4 |
4.2 |
2 |
|
1.1918 |
0.0040 |
183.6 |
4.0 |
|
1.2165 |
0.0041 |
208.1 |
4.1 |
3 |
|
1.0686 |
0.0036 |
61.2 |
3.6 |
|
1.0439 |
0.0033 |
36.7 |
3.3 |
4 |
|
1.0328 |
0.0037 |
25.7 |
3.7 |
|
0.9949 |
0.0041 |
−11.9 |
4.1 |
5 |
|
1.0251 |
0.0040 |
18.1 |
4.0 |
|
0.9999 |
0.0033 |
−7.0 |
3.3 |
6 |
|
1.0328 |
0.0034 |
25.7 |
3.4 |
|
0.9988 |
0.0033 |
−8.0 |
3.3 |
65 year old |
1939–2005 |
|
Water-soluble |
|
Water-insoluble |
Layer |
|
F14C
|
± |
∆14C
|
± |
|
F14C
|
± |
∆14C
|
± |
1 |
|
1.1541 |
0.0044 |
146.4 |
4.4 |
|
1.2040 |
0.0065 |
196.0 |
6.5 |
2 |
|
1.1542 |
0.0051 |
146.5 |
5.1 |
|
1.2019 |
0.0049 |
193.9 |
4.9 |
3 |
|
1.2738 |
0.0049 |
265.4 |
4.9 |
|
1.2914 |
0.0051 |
282.8 |
5.1 |
4 |
|
1.2578 |
0.0047 |
249.4 |
4.7 |
|
1.2001 |
0.0058 |
192.1 |
5.8 |
5 |
|
1.1018 |
0.0042 |
94.5 |
4.2 |
|
1.0319 |
0.0039 |
25.1 |
3.9 |